Carbohydrate literary means hydrated carbon.

Carbohydrates •Carbohydrate literary means hydrated carbon.•Carbohydrates are composed of carbon, hydrogen and oxygen and the ratio of hydrogen and oxygen is the same as in water.•Carbohydrates polyhydroxyaldehydes or ketones or complex substances that on hydrolysis yield polyhdroxyaldehydes or ketones subunits.

Carbohybratesor Saccharides(Sugars) Poly hydroxy (OH) ketones orAldehydes

Hydrates of Carb on: Cm(H2O)n

C(H2O): formaldehyde

C2(H2O)2: ddiose: glycolaldehyde

C3(H2O)3: Triose

C4(H2O)4: Tetrose

C5(H2O)5: Pentose

C6(H2O)6: Hexose

•Aldose: Glucose Ketose: Fructose

Exceptions

General formula: Cm (H2O)n

•Carbohydrates with different formula

•Uronic acids: C

6H 9O 7

•Fucose: C

6H 12O 5 •Noncarbohydrates with formula of carbohydrates

•Formaldehyde: CH

2O

•Inositol: C6(H

2O) 6

Examples of Carbohydrates

•Glucose: major metabolic fuel of mammals

•Glycogen: storage; in animals

•Starch: Storage; in plants

•Cellulose: structure; in plants; in paper

•Chitin: stucture; in Arthropods

•Ribose: RNA, ATP, NAD

•Deoxyribose: DNA

•lactose: Milk